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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 5:36 pm CST Jan 22, 2026 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Tonight Mostly Sunny on Friday 50% chance of snow on Saturday 50% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday
Low: -6°F High: 2 °F High: 8 °F High: 14°F High: 14°F High: 24°F High: 19°F High: 13°F
Low: -3°F Low: 5 °F Low: -4°F Low: 4°F Low: 7°F Low: 1°F  
Cloudy Mostly Sunny Snow Snow Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
21°
Clear
as of 5:35 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
6 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
27°
Clear
as of 4:54 PM CST
Rel. Humidity: 35%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
23°
Clear
as of 5:35 PM CST
Rel. Humidity: 49%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
21°
Clear
as of 5:35 PM CST
Rel. Humidity: 41%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around -6. Wind chill values between -12 and -22. North northwest wind 10 to 16 mph, with gusts as high as 28 mph.

Mostly Sunny on Friday Friday... Mostly sunny and cold, with a high near 2. Wind chill values between -16 and -26. North wind 9 to 15 mph, with gusts as high as 26 mph.

Increasing Clouds on Friday Night Friday Night... Increasing clouds, with a low around -3. Wind chill values between -12 and -17. North northeast wind 6 to 9 mph, with gusts as high as 17 mph.

50% chance of snow Saturday Saturday... A 50 percent chance of snow after noon. Cloudy and cold, with a high near 8. Wind chill values between -4 and -14. Northeast wind around 7 mph, with gusts as high as 15 mph.

60% chance of snow Saturday Night Saturday Night... Snow likely, mainly before midnight. Cloudy, with a low around 5. Northeast wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

50% chance of snow Sunday Sunday... A 50 percent chance of snow. Mostly cloudy, with a high near 14. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -4. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 14.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 4.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 24.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 7.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 19.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 1.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 13.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:18 AM
Sunset: 5:06 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:35 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:09 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:41 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.